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To form 3 adjacent squares (as in the figure), 10 toothpicks are required. How many toothpicks are required to form 1000 adjacent squares?
answered
Feb 11, 2019
Mathematics
middle-school
6
votes
113k
views
An urn contains six red balls, five black balls, and four green balls. If two balls are selected at random without replacement from the urn, what is the probability that a red ball and a black ball will
answered
Jan 21, 2019
Mathematics
high-school
1
vote
218k
views
Which of the following statements is true? A minor change in the language will not affect a bill as it moves from one chamber to another. Absentee voting is allowed for the Speaker of the House and the
answered
Dec 18, 2018
Social Studies
high-school
6
votes
121k
views
which of the following professionals would most likely be called upon to treat a person suffering from a dangerous level of schizophrenia
answered
Dec 10, 2018
Physics
college
7
votes
73.9k
views
Nicole used her credit card to buy a $1,255 mattress. Her credit card has an APR of 11.56%, compounded monthly, and the mattress was the only purchase on the card. Nicole paid off the mattress after two
answered
Sep 13, 2018
Mathematics
high-school
4
votes
45.2k
views
Witch of the following would NOT be a characteristic of a nation-state? A) Nationalism B) Sovereignty C) A National identity D) numerous village kings
answered
Aug 26, 2018
History
middle-school
7
votes
101k
views
What are natural resources
answered
Jul 13, 2018
Chemistry
middle-school
2
votes
198k
views
What is the solution set for 6x−2=5x+3 , given the replacement set {2, 3, 4, 5} ?
answered
Jun 26, 2018
Mathematics
middle-school
1
vote
196k
views
Lucy earned $400 and $550 in interest the last 2 years. Describe the average interest she should earn in each of the next 3 years so that her total earnings over the 5-year period are at least $2300.
answered
Jun 25, 2018
Mathematics
college
6
votes
36.6k
views
A tank initially contains 200 gallons of brine, with 50 pounds of salt in solution. brine containing 2 pounds of salt per gallon is entering the tank at the rate of 4 gallons per minute and is is flowing
answered
Apr 4, 2018
Mathematics
college
3
votes
137k
views
Please help??? Pleaseeeeeeess
answered
Mar 8, 2018
Mathematics
high-school
4
votes
208k
views
Hester is in a relationship, but today she feels worried because the person she is dating asked her to send digital pictures she doesn't feel comfortable taking. If she sends the pictures, which could
answered
Oct 10, 2017
Health
high-school
0
votes
87.6k
views
A newborn giraffe weighs about 65 kilograms.How much it weighs in grams
answered
May 28, 2017
Mathematics
middle-school
1
vote
197k
views
Which of the following was known as the father of economics? Thomas Malthus Adam Smith Grover Cleveland David Ricardo
answered
Nov 14, 2016
History
high-school
3
votes
213k
views
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